johnson and a 68-year-old were killed when 17- year-old chase johnson's car lost control and slammed into the pit area. some people say they believe it is too soon to have a racing competition. >> it's dangerous for the people that are watching it. i really believe that they ought to take the time to fix that. >> the racetrack other than said investigators have not determined the track to be unsafe. investigators continue to look into what caused johnson to lose control. >>> in alabama a 10-year-old boy was crushed to death when a flight information board fell on him at the birmingham airport. the boy's mother and his three brothers were also hurt. officials say the family was catching a connecting flight in birmingham when that heavy sign fell on them. strangers rushed over to try to lift the board which weighs between 300 to 400 pounds. >> the family was crushed. little kids crushed under the sign, and everybody was scattering -- gathering to lift it up. i helped lift it up and helped pull people out. >> the 10-year-old boy died at the hospital. his mother is list it'd in serious c